aubrey1161
02.03.2021 •
Mathematics
Solve the following system of equations using the substitution method
x=2y
2x+5y=9
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Ответ:
y=1
x=2
(2,1)
Step-by-step explanation:
x=2y
2x+5y=9
2(2y)+5y=9
4y+5y=9
9y=9
y=1
x=2(1)
x=2
(2,1)
Ответ:
Correct answer is 768 tiles.